Module: Mothership::Progress::Dots

Defined in:
lib/mothership/progress.rb

Constant Summary collapse

DOT_COUNT = 
3
DOT_TICK = 
0.15

Class Method Summary collapse

Class Method Details

.start! ⇒ Object 



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# File 'lib/mothership/progress.rb', line 11

def start!
  @dots ||=
    Thread.new do
      before_sync = $stdout.sync

      $stdout.sync = true

      printed = false
      i = 1
      until @stop_dots
        if printed
          print "\b" * DOT_COUNT
        end

        print ("." * i).ljust(DOT_COUNT)
        printed = true

        if i == DOT_COUNT
          i = 0
        else
          i += 1
        end

        sleep DOT_TICK
      end

      if printed
        print "\b" * DOT_COUNT
        print " " * DOT_COUNT
        print "\b" * DOT_COUNT
      end

      $stdout.sync = before_sync
      @stop_dots = nil
    end
end

.stop! ⇒ Object 



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# File 'lib/mothership/progress.rb', line 48

def stop!
  return unless @dots
  return if @stop_dots
  @stop_dots = true
  @dots.join
  @dots = nil
end